Laravel Validate numeric multidimensional array

Question

I want to give an error message if a string is entered in a integer inputfield with an multidimensional array.

View:

<div class="col-md-8">
     <input name="answer[sleep][score]" type="text" class="form-control @error('answer[sleep][score]') @enderror" placeholder="Score" value="{{ @$answer_array['sleep']['score'] }}">
     @error('answer[sleep][score]')
     <span class="invalid-feedback" role="alert">
         <strong>Geen letters alsjeblieft.😉</strong>
     </span>
     @enderror
     </div>

Controller:

        $request->validate([
            'answer.sleep.score' => 'nullable|numeric',
        ]);

when i click save it just refreshes the page and does nothing. Can anybody please help me, how do i show the error on a multidimensional array.

Thanks!

kidA · Accepted Answer · 2020-04-23 14:54:53Z

2

@error is a blade directive used to display error messages in your template. The right way to use it is:

@error('answer.sleep.score')
  <div>{{ $message }}</div>
@enderror

Notice that in order to detect whether the error message exists, I'm using the same format as you did in the validation i.e. answer.sleep.score and NOT answer[sleep][score].

If you want to add a class to your input element when an error is detected you can do this:

<input name="answer[sleep][score]" type="text" class="form-control {{ $errors->has('answer.sleep.score') ? 'error-class' : '' }}" placeholder="Score" value="{{ old('answer.sleep.score') }}">

By using old, you can pre-fill input field with the posted value.

answered Apr 23, 2020 at 14:54

kidA

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1 Comment

Jeffrey van der Kruit Over a year ago

Thanks! I tried the dot's, but it didn't work. Apperently i put the wrong $error in my class. It seemed to work on every other page the way i did it, but not with this type array. I modified it a little bit to my linking, but this is definitively the solution. Thanks!

Sarvil Ajwaliya · Accepted Answer · 2020-04-23 14:00:59Z

0

You can use regular expression for the validation will be much better then this:

$request->validate([
   'answer.sleep.score' => 'nullable|regex:/^[0-9]*$/',
]);

This allow you to enter only numbers in the field.

answered Apr 23, 2020 at 14:00

Sarvil Ajwaliya

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3 Comments

Jeffrey van der Kruit Over a year ago

Sorry, i tried this, but this doesn't work. I get the same result. Page just refreshes. :(

kidA Over a year ago

How's that much better? According to docs, if you specify numeric as a rule, the field under validation must be numeric.

Sarvil Ajwaliya Over a year ago

Are you facing issue with how to display error message for the validation in blade file?

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